Home / 400,170,400.49-600,285,874.04-123,849,562.37

Finding the Fourth Proportional to 400,170,400.49, 600,285,874.04 and 123,849,562.37

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Solution

The fourth proportional to 400,170,400.49, 600,285,874.04 and 123,849,562.37 is: 185,783,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,170,400.49 : 600,285,874.04 = 123,849,562.37 : x
  2. Step 2: Convert to fraction form
    400,170,400.49/600,285,874.04 = 123,849,562.37/x
  3. Step 3: Cross multiply
    400,170,400.49x = 600,285,874.04 × 123,849,562.37
  4. Step 4: Simplify right side
    400,170,400.49x = 74,345,142,793,126,256
  5. Step 5: Solve for x
    x = 74,345,142,793,126,256/400,170,400.49
  6. Step 6: Final answer
    x = 185,783,712.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.